Leading Swiss bank UBS has announced that it will open up a lab to study blockchain technology in London; Bitcoin April Fools Day Joke roundup; and more top stories for April 2. UBS to open London technology lab to study the blockchain Continuing the trend for major financial institutions beginning to take an interest in the new FinTech sector, Swiss bank UBS is opening a London technology lab focused on how the blockchain could make financial transactions cheaper and faster. The announcement comes after UK Chancellor of the Exchequer George Osborne promised UK£10 million in research funding for digital currency …